{"id":95824,"date":"2024-10-20T04:18:18","date_gmt":"2024-10-19T20:18:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/95824\/"},"modified":"2024-10-20T04:18:19","modified_gmt":"2024-10-19T20:18:19","slug":"oracle%e6%95%b8%e6%93%9a%e5%ba%ab%e6%95%b8%e6%93%9a%e5%be%aa%e7%92%b0%e6%9b%b4%e6%96%b0%e6%93%8d%e4%bd%9c%e6%8c%87%e5%8d%97-oracle%e6%80%8e%e9%ba%bc%e5%be%aa%e7%92%b0%e6%9b%b4%e6%96%b0%e6%95%b8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/95824\/","title":{"rendered":"Oracle\u6578\u64da\u5eab\u6578\u64da\u5faa\u74b0\u66f4\u65b0\u64cd\u4f5c\u6307\u5357 (oracle\u600e\u9ebc\u5faa\u74b0\u66f4\u65b0\u6578\u64da\u5eab\u6578\u64da)"},"content":{"rendered":"<h1 id=\"oracle%e6%95%b8%e6%93%9a%e5%ba%ab%e6%95%b8%e6%93%9a%e5%be%aa%e7%92%b0%e6%9b%b4%e6%96%b0%e6%93%8d%e4%bd%9c%e6%8c%87%e5%8d%97-FAUMLmPBac\">Oracle\u6578\u64da\u5eab\u6578\u64da\u5faa\u74b0\u66f4\u65b0\u64cd\u4f5c\u6307\u5357<\/h1>\n<p>\u5728\u73fe\u4eca\u7684\u6578\u64da\u9a45\u52d5\u6642\u4ee3\uff0c\u6578\u64da\u5eab\u7684\u7ba1\u7406\u548c\u66f4\u65b0\u8b8a\u5f97\u5c24\u70ba\u91cd\u8981\u3002Oracle\u6578\u64da\u5eab\u4f5c\u70ba\u4e00\u500b\u5f37\u5927\u7684\u6578\u64da\u7ba1\u7406\u7cfb\u7d71\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u65b9\u6cd5\u4f86\u9032\u884c\u6578\u64da\u7684\u5faa\u74b0\u66f4\u65b0\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u5728Oracle\u6578\u64da\u5eab\u4e2d\u5be6\u73fe\u6578\u64da\u7684\u5faa\u74b0\u66f4\u65b0\u64cd\u4f5c\uff0c\u4e26\u63d0\u4f9b\u76f8\u95dc\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e6%95%b8%e6%93%9a%e5%be%aa%e7%92%b0%e6%9b%b4%e6%96%b0%ef%bc%9f-FAUMLmPBac\">\u4ec0\u9ebc\u662f\u6578\u64da\u5faa\u74b0\u66f4\u65b0\uff1f<\/h2>\n<p>\u6578\u64da\u5faa\u74b0\u66f4\u65b0\u662f\u6307\u5728\u6578\u64da\u5eab\u4e2d\u5b9a\u671f\u6216\u6839\u64da\u7279\u5b9a\u689d\u4ef6\u81ea\u52d5\u66f4\u65b0\u6578\u64da\u7684\u904e\u7a0b\u3002\u9019\u7a2e\u64cd\u4f5c\u901a\u5e38\u7528\u65bc\u7dad\u8b77\u6578\u64da\u7684\u6e96\u78ba\u6027\u548c\u53ca\u6642\u6027\uff0c\u7279\u5225\u662f\u5728\u9700\u8981\u8655\u7406\u5927\u91cf\u6578\u64da\u7684\u61c9\u7528\u5834\u666f\u4e2d\u3002<\/p>\n<h2 id=\"oracle%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e7%9a%84%e5%be%aa%e7%92%b0%e6%9b%b4%e6%96%b0%e6%96%b9%e6%b3%95-FAUMLmPBac\">Oracle\u6578\u64da\u5eab\u4e2d\u7684\u5faa\u74b0\u66f4\u65b0\u65b9\u6cd5<\/h2>\n<p>\u5728Oracle\u6578\u64da\u5eab\u4e2d\uff0c\u5be6\u73fe\u6578\u64da\u5faa\u74b0\u66f4\u65b0\u7684\u5e38\u898b\u65b9\u6cd5\u5305\u62ec\u4f7f\u7528\u89f8\u767c\u5668\u3001\u5b58\u5132\u904e\u7a0b\u548c\u5b9a\u6642\u4efb\u52d9\u3002\u4ee5\u4e0b\u5c07\u9010\u4e00\u4ecb\u7d39\u9019\u4e9b\u65b9\u6cd5\u3002<\/p>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8%e8%a7%b8%e7%99%bc%e5%99%a8-FAUMLmPBac\">1. \u4f7f\u7528\u89f8\u767c\u5668<\/h3>\n<p>\u89f8\u767c\u5668\u662f\u4e00\u7a2e\u7279\u6b8a\u7684\u5b58\u5132\u904e\u7a0b\uff0c\u7576\u7279\u5b9a\u4e8b\u4ef6\u767c\u751f\u6642\u81ea\u52d5\u57f7\u884c\u3002\u53ef\u4ee5\u4f7f\u7528\u89f8\u767c\u5668\u4f86\u5be6\u73fe\u6578\u64da\u7684\u81ea\u52d5\u66f4\u65b0\u3002\u4f8b\u5982\uff0c\u7576\u67d0\u500b\u8868\u4e2d\u7684\u6578\u64da\u88ab\u63d2\u5165\u6216\u66f4\u65b0\u6642\uff0c\u53ef\u4ee5\u81ea\u52d5\u66f4\u65b0\u53e6\u4e00\u500b\u8868\u4e2d\u7684\u76f8\u95dc\u6578\u64da\u3002<\/p>\n<pre><code>\nCREATE OR REPLACE TRIGGER update_related_table\nAFTER INSERT OR UPDATE ON main_table\nFOR EACH ROW\nBEGIN\n    UPDATE related_table\n    SET column_name = :NEW.value\n    WHERE condition_column = :NEW.condition_value;\nEND;\n<\/code><\/pre>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8%e5%ad%98%e5%84%b2%e9%81%8e%e7%a8%8b-FAUMLmPBac\">2. \u4f7f\u7528\u5b58\u5132\u904e\u7a0b<\/h3>\n<p>\u5b58\u5132\u904e\u7a0b\u662f\u4e00\u7d44\u9810\u7de8\u8b6f\u7684SQL\u8a9e\u53e5\uff0c\u53ef\u4ee5\u5728\u6578\u64da\u5eab\u4e2d\u57f7\u884c\u3002\u901a\u904e\u5275\u5efa\u5b58\u5132\u904e\u7a0b\uff0c\u53ef\u4ee5\u5b9a\u7fa9\u4e00\u500b\u5faa\u74b0\u66f4\u65b0\u7684\u908f\u8f2f\uff0c\u4e26\u5728\u9700\u8981\u6642\u8abf\u7528\u5b83\u3002<\/p>\n<pre><code>\nCREATE OR REPLACE PROCEDURE update_data\nIS\nBEGIN\n    FOR rec IN (SELECT * FROM target_table WHERE condition) LOOP\n        UPDATE target_table\n        SET column_name = new_value\n        WHERE id = rec.id;\n    END LOOP;\n    COMMIT;\nEND;\n<\/code><\/pre>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8%e5%ae%9a%e6%99%82%e4%bb%bb%e5%8b%99-FAUMLmPBac\">3. \u4f7f\u7528\u5b9a\u6642\u4efb\u52d9<\/h3>\n<p>Oracle\u6578\u64da\u5eab\u652f\u6301\u4f7f\u7528DBMS_SCHEDULER\u5305\u4f86\u5275\u5efa\u5b9a\u6642\u4efb\u52d9\uff0c\u9019\u6a23\u53ef\u4ee5\u5728\u7279\u5b9a\u7684\u6642\u9593\u9593\u9694\u5167\u81ea\u52d5\u57f7\u884c\u66f4\u65b0\u64cd\u4f5c\u3002<\/p>\n<pre><code>\nBEGIN\n    DBMS_SCHEDULER.create_job (\n        job_name        =&gt; 'update_job',\n        job_type        =&gt; 'PLSQL_BLOCK',\n        job_action      =&gt; 'BEGIN update_data; END;',\n        start_date      =&gt; SYSTIMESTAMP,\n        repeat_interval  =&gt; 'FREQ=DAILY; BYHOUR=1',\n        enabled         =&gt; TRUE\n    );\nEND;\n<\/code><\/pre>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-FAUMLmPBac\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<ul>\n<li>\u5728\u9032\u884c\u6578\u64da\u66f4\u65b0\u6642\uff0c\u52d9\u5fc5\u8003\u616e\u6578\u64da\u7684\u4e00\u81f4\u6027\u548c\u5b8c\u6574\u6027\u3002<\/li>\n<li>\u5b9a\u671f\u5099\u4efd\u6578\u64da\uff0c\u4ee5\u9632\u6b62\u610f\u5916\u6578\u64da\u4e1f\u5931\u3002<\/li>\n<li>\u6e2c\u8a66\u66f4\u65b0\u908f\u8f2f\uff0c\u78ba\u4fdd\u5176\u5728\u751f\u7522\u74b0\u5883\u4e2d\u7684\u7a69\u5b9a\u6027\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-FAUMLmPBac\">\u7e3d\u7d50<\/h2>\n<p>Oracle\u6578\u64da\u5eab\u63d0\u4f9b\u4e86\u591a\u7a2e\u65b9\u6cd5\u4f86\u5be6\u73fe\u6578\u64da\u7684\u5faa\u74b0\u66f4\u65b0\uff0c\u5305\u62ec\u89f8\u767c\u5668\u3001\u5b58\u5132\u904e\u7a0b\u548c\u5b9a\u6642\u4efb\u52d9\u3002\u9019\u4e9b\u65b9\u6cd5\u80fd\u5920\u5e6b\u52a9\u7528\u6236\u81ea\u52d5\u5316\u6578\u64da\u66f4\u65b0\u904e\u7a0b\uff0c\u63d0\u9ad8\u6578\u64da\u7ba1\u7406\u7684\u6548\u7387\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u8655\u7406\u7684\u4f01\u696d\u4f86\u8aaa\uff0c\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\u81f3\u95dc\u91cd\u8981\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u53ef\u9760\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u670d\u52d9\u4f86\u652f\u6301\u60a8\u7684\u6578\u64da\u5eab\u64cd\u4f5c\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\u4ee5\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u638c\u63e1Oracle\u6578\u64da\u5eab\u7684\u5faa\u74b0\u66f4\u65b0\u64cd\u4f5c\uff0c\u63d0\u5347\u6578\u64da\u7ba1\u7406\u6548\u7387\uff0c\u78ba\u4fdd\u6578\u64da\u6301\u7e8c\u66f4\u65b0\u8207\u6e96\u78ba\u6027\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-95824","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/95824","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=95824"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/95824\/revisions"}],"predecessor-version":[{"id":95825,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/95824\/revisions\/95825"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=95824"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=95824"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=95824"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}